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Problems for specific Chevrolet Impala years:

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Repairpal verified 2001 Chevrolet Impala problems

 

Verified for the Chevrolet Impala

The mass air flow or crankshaft position sensor may fail causing the engine to intermittently stall. It may be necessary for the engine to cool down before it will restart.

51 Reports
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Verified for the Chevrolet Impala

The exhaust gas recirculation (EGR) tube which connects the EGR valve to the intake manifold may develop an engine vacuum leak, causing the Check Engine Light to illuminate with code P0171 and/or P0174 stored.

23 Reports
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Verified for the Chevrolet Impala

The engine may start and stall with the security light flashing. This is commonly caused by a failed passlock sensor which is part of the ignition lock cylinder. A secondary cause could be the ignition switch itself. Worn contacts inside the ignition switch can cause voltage drop issues which can affect the passlock system. Proper diagnoses should be performed before replacing any parts.

42 Reports
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Verified for the Chevrolet Impala

The intake manifold gasket can develop external engine oil or coolant leaks. In some cases the failed gasket will leak coolant internally. The manifold gasket will need to be replaced to correct this issue.

66 Reports
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Verified for the Chevrolet Impala

The crankshaft position sensor, ignition module, and/or powertrain control module (PCM) may fail resulting in illumination of the Check Engine Light with ignition system related fault codes stored in the PCM. Patience is necessary when dealing with this specific situation as normal diagnostic procedures are not effective. In many cases, the best option is to replace parts, one at a time until the fault is corrected.

6 Reports
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Verified for the Chevrolet Impala

The serpentine belt tensioner pulley may wear out. Our technicians tell us that in order to get a new pulley from General Motors you must purchase a complete belt tensioner assembly.

 

22 Reports
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Verified for the Chevrolet Impala

The catalytic converter may become plugged resulting in loss of engine power. General Motors has extended the catalytic convertor warranty on some models to 10 years or 120,000 miles. Please contact your local GM dealer to see if your vehicle is included.

9 Reports
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Verified for the Chevrolet Impala

Acid may leak from the battery at the cable connections, resulting in corrosion on the battery cable ends and in the battery tray. A Leaking battery should be replaced and the cables thoroughly cleaned or replaced if necessary.

13 Reports
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Verified for the Chevrolet Impala

The automatic transmission shifter may fail, or a wire may break near the shifter causing the ignition key to become stuck in the ignition lock cylinder.

195 Reports
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Verified for the Chevrolet Impala

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.

248 Reports
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Verified for the Chevrolet Impala

The fuel pump may fail causing engine to stall and not restart.

15 Reports
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Verified for the Chevrolet Impala

The water pump may develop a coolant leak resulting in an engine overheating condition.

29 Reports
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Verified for the Chevrolet Impala

The steering may develop a clunk type noise from the upper intermediate steering shaft.  Our technicians tell us that you should check with your local GM dealer to find out what the latest repair is for this condition.

101 Reports
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Verified for the Chevrolet Impala

The high pressure power steering hose will commonly leak fluid; it should be replaced.

70 Reports
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